Rio Project 4.2 API Documentation

org.rioproject.resources.persistence
Interface SnapshotHandler

All Known Implementing Classes:

ServiceBeanContextManager.ContextAttributeLogHandler

public interface SnapshotHandler

Interface a server needs to implement in order to work with a PersistentStore to determine whether a snapshot should be taken

Method Summary

void	takeSnapshot() Invoked to trigger persistent state be written and committed to a recoverable resource
void	updatePerformed(int updateCount) Called by PersistentStore after every update to give server a chance to trigger a snapshot

Method Detail

takeSnapshot

void takeSnapshot()
                  throws IOException

Invoked to trigger persistent state be written and committed to a recoverable resource

Throws:

IOException - if an error occurs

updatePerformed

void updatePerformed(int updateCount)

Called by PersistentStore after every update to give server a chance to trigger a snapshot

Parameters:

updateCount - Number of updates since last snapshot